Shoe cleaning machine



FIG. 1 is a perspective view of a shoe cleaning machine showing my new design;

FIG. 2 is a side elevational view thereof, the opposite side being a mirror image;

FIG. 3 is an end elevational view thereof;

FIG. 4 is an end elevational view of the opposite side of FIG. 3; and,

FIG. 5 is a top plan view thereof.

The undisclosed bottom view is flat and unornamented. 

The ornamental design for a shoe cleaning machine, as shown and described. 